The regulations do not prohibit or restrict the use or distribution of any gasoline or gasoline blendstocks regardless of their origin. Compliance with the anti-dumping requirements is based primarily on the properties of finished conventional gasoline. However, for the reasons discussed in the preamble to the final rule, the regulations also require the tracking and accounting of certain "applicable blendstocks" as defined in the regulations. The regulations do not intend to restrict the use of naturally occurring hydrocarbons. (7/1/94)

This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997 (PDF)(333 pp, 18.17 MB, EPA420-R-03-009, July 2003, About PDF)